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NSN 6680-01-211-4657Government record, cited

Indicator, Sight, Liquid6680-01-211-4657

NSN 6680-01-211-4657 · NIIN 012114657 · Part number B-100646
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 65586
Government record, cited
NSN 6680-01-211-4657 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-211-4657. Manufacturer of record part number: B-100646.
Also searched as  6680-01-211-4657 · 6680012114657 · NIIN 012114657 · 01-211-4657 · FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE 65586 · B-100646
Nearby stock numbers  ·
Features
  • Indicator,sight,liquid — FSC 6680
  • Data Furnishing Method: CLEAR WINDOW
  • Overall Diameter: 0.750 INCHES NOMINAL IN
  • Material: GLASS
  • 1 manufacturer part number on file
  • Manufacturer of record: Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
Identification
  • NSN: 6680-01-211-4657
  • NIIN: 012114657
  • FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: B-100646
  • Manufacturer: Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-211-4657, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-211-4657
Primary Part NumberB-100646
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Data Furnishing MethodCLEAR WINDOW
Overall Diameter0.750 INCHES NOMINAL IN
MaterialGLASS
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
B-100646 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
No interchangeability data on file.
Other items in FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6680-00-000-0189
TRANSMITTER,LIQUID QUANTITY
6680-00-001-1478
GAGE ROD-CAP,LIQUID LEVEL
6680-00-001-1502
6680-00-001-1502 · Item name not on file
6680-00-001-1506
6680-00-001-1506 · Item name not on file
6680-00-001-1511
GAGE ROD,LIQUID LEVEL
6680-00-001-3672
COUNTER,ROTATING
6680-00-001-3675
INDICATOR,SIGHT,LIQUID
6680-00-001-4170
COUNTER,ROTATING

Frequently Asked Questions

What is NSN 6680-01-211-4657?

NSN 6680-01-211-4657 is a Indicator,sight,liquid, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.

What part numbers are listed for NSN 6680-01-211-4657?

NSN 6680-01-211-4657 has 1 manufacturer part number on file: B-100646 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What are the specifications of B-100646?

Key specifications for B-100646: Data Furnishing Method: CLEAR WINDOW; Overall Diameter: 0.750 INCHES NOMINAL IN; Overall Length: 9.312 INCHES NOMINAL IN; Material: GLASS. 3 specifications are documented in the U.S. Government catalog.

Is NSN 6680-01-211-4657 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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